2PRS

Structure and metal binding properties of ZnuA, a periplasmic zinc transporter from Escherichia coli

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2prsa_	Alpha and beta proteins (a/b)	Chelatase-like	'Helical backbone' metal receptor	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d2prsb_	Alpha and beta proteins (a/b)	Chelatase-like	'Helical backbone' metal receptor	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	ZnuA	e2prsA2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: ZnuA	ECOD (1.6)
A	UNK_F_TYPE	e2prsA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: UNK_F_TYPE	ECOD (1.6)
B	ZnuA	e2prsB2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: ZnuA	ECOD (1.6)
B	UNK_F_TYPE	e2prsB1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: UNK_F_TYPE	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.1980	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nitrogenase molybdenum iron protein domain	CATH (4.3.0)
B	3.40.50.1980	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nitrogenase molybdenum iron protein domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01297	Zinc-uptake complex component A periplasmic (ZnuA)	Zinc-uptake complex component A periplasmic	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	High-affinity zinc uptake system protein znuA	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	localization transport zinc ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport establishment of localization metal ion transport import into cell import across plasma membrane monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic cation import across plasma membrane inorganic cation transmembrane transport localization transport zinc ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport establishment of localization metal ion transport import into cell import across plasma membrane monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic cation import across plasma membrane inorganic cation transmembrane transport zinc ion import across plasma membrane transmembrane transport monoatomic cation transmembrane transport zinc ion transmembrane transport inorganic ion import across plasma membrane cellular process cell adhesion	ATPase dependent transmembrane transport complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex cellular anatomical entity transporter complex ATP-binding cassette (ABC) transporter complex cell periphery transmembrane transporter complex periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR035520	High-affinity zinc uptake system protein ZnuA	Family
A, B	IPR006127	Periplasmic solute binding protein, ZnuA-like	Family
A, B	IPR006128	Adhesion lipoprotein PsaA-like	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.